22 Installing the Boiler2.2 Mounting the Boiler to the WallNavien NCB LSWE boilers come with an upper mounting bracketthat is pre-drilled at 400 mm on center for easy installation onstandard wall studs. If the strength of the wall is insufficient or ifthe framing is non-standard or uneven, reinforce the area beforeinstalling the boiler. Avoid installation on common walls as theunit will make some operational noises while it is running.To mount the boiler to the wall:1. Affix the bracket securely to the wall and ensure that it islevel and that it can support the weight of the boiler.2. Align the grooves on the back of the boiler with the tongueson the mounting bracket and hang the boiler on thebracket.When mounted with the mounting bracket, the boiler willhave a 16 mm clearance from the back of the wall.WARNING● The boiler is heavy. Always lift the unit with assistance.Be careful not to drop the boiler while lifting or handlingit to avoid bodily injury or damage to the unit.● Do not rest the boiler on the bottom end after removingit from the shipping carton. Doing so may result inexcessive pressure on protruding pipes and resulting inproduct damage. If you must put the boiler down, lay iton its back or put it inside the protective shipping base.DANGER● The boiler must be mounted on a suitable wall that cansupport its weight and prevent explosion or fire.● Do not install the boiler near paper or other flammableobjects.● Do not install the boiler near domestic waste.